diff options
Diffstat (limited to 'fs/cifs/smb2ops.c')
| -rw-r--r-- | fs/cifs/smb2ops.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 5864ef600ee9..65d303466581 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -925,6 +925,22 @@ oshr_free: return rc; } +int open_cached_dir_by_dentry(struct cifs_tcon *tcon, + struct dentry *dentry, + struct cached_fid **cfid) +{ + mutex_lock(&tcon->crfid.fid_mutex); + if (tcon->crfid.dentry == dentry) { + cifs_dbg(FYI, "found a cached root file handle by dentry\n"); + *cfid = &tcon->crfid; + kref_get(&tcon->crfid.refcount); + mutex_unlock(&tcon->crfid.fid_mutex); + return 0; + } + mutex_unlock(&tcon->crfid.fid_mutex); + return -ENOENT; +} + static void smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon, struct cifs_sb_info *cifs_sb) |